阅读说明：本技术 一种用于数控机床切削金属过程的防撞刀设备 (A anticollision sword equipment for digit control machine tool cutting metal process ) 是由 张言 于 2021-10-28 设计创作，主要内容包括：本发明涉及切削加工技术领域,且公开了一种用于数控机床切削金属过程的防撞刀设备,包括机架,所述机架内部底端固定连接有托板,托板上端活动连接有切削件,机架内部上端靠右固定连接有固定框,固定框内部活动插接有导块,导块左端固定连接有推杆,推杆外侧活动套接有套块,推杆左端固定连接有退出块。通过推动压杆带动退出块沿着方槽向下移动的过程中,方槽通过推杆带动导块沿着固定框向下移动,导块带动压板向下移动至切削件的上端面,通过压板与托板相配合,使得切削件在切割之前被自动卡紧,从而达到了能够牢固的固定金属加工件、避免金属件在切削过程中固定不稳定导致加工精度低的效果。(The invention relates to the technical field of cutting machining and discloses a cutter collision prevention device for a numerical control machine tool in a metal cutting process. The in-process that withdraws from the piece along square groove downstream is driven through promoting the depression bar, and the square groove passes through the push rod and drives the guide block along fixed frame downstream, and the guide block drives clamp plate downstream to the up end of cutting, cooperatees through clamp plate and layer board for the cutting is by automatic chucking before the cutting, thereby has reached the fixed metal machined part that can be firm, has avoided the metalwork to lead to the effect that the machining precision is low at the fixed unstability of cutting in-process.)

1. The utility model provides a crashproof sword equipment for digit control machine tool cutting metal process, includes frame (1), its characterized in that: the bottom end inside the rack (1) is fixedly connected with a supporting plate (2), the upper end of the supporting plate (2) is movably connected with a cutting part (3), the upper end inside the rack (1) is fixedly connected with a fixed frame (4) close to the right, a guide block (5) is movably inserted inside the fixed frame (4), the left end of the guide block (5) is fixedly connected with a push rod (7), the outer side of the push rod (7) is movably sleeved with a sleeve block (8), the left end of the push rod (7) is fixedly connected with a withdrawing block (16), the inner side of the withdrawing block (16) is movably inserted with a tapping rod (9) close to the lower part, the upper end of the tapping rod (9) is fixedly connected with a pre-tightening spring (10), the inner side of the pre-tightening spring (10) is movably inserted with a wedge-shaped plate (11) close to the upper part, the outer side of the wedge-shaped plate (11) is movably sleeved with a wedge-shaped clamping plate (14), the right end of the wedge-shaped clamping plate (14) is fixedly connected with an adjusting spring (15), the left end of the tapping rod (9) close to the lower part is fixedly connected with a fixed block (18), the bag body (19) is movably sleeved outside the fixed block (18), and a pressure rod (22) is movably inserted inside the box body (13).

2. The anticollision cutter apparatus for the cutting metal process of the numerically controlled machine tool according to claim 1, wherein: the guide block (5) lower extreme fixedly connected with clamp plate (6), clamp plate (6) set up to the fork form, clamp plate (6) lower extreme and cutting piece (3) fixed connection.

3. The anticollision cutter apparatus for the cutting metal process of the numerically controlled machine tool according to claim 1, wherein: the wedge-shaped clamping plate is characterized in that the upper end of the wedge-shaped plate (11) is arranged to be inclined, and a wedge hole (12) is formed in the outer side of the wedge-shaped plate (11) and located in the wedge-shaped clamping plate (14).

4. The anticollision cutter apparatus for the cutting metal process of the numerically controlled machine tool according to claim 1, wherein: the box body (13) is movably sleeved on the outer side of the withdrawing block (16), and a square groove (17) is formed in the outer side of the withdrawing block (16) and located in the box body (13).

5. The anticollision cutter apparatus for the cutting metal process of the numerically controlled machine tool according to claim 1, wherein: the inside of the fixed block (18) is movably inserted with a rotor (20), and the middle of the outer side of the rotor (20) is movably sleeved with a cutter (21).

6. The anticollision cutter apparatus for the cutting metal process of the numerically controlled machine tool according to claim 1, wherein: the outer side of the pressure lever (22) is movably sleeved with a movable block (23) close to the lower part, and the lower end of the movable block (23) is movably inserted with a ball (24).

7. The anticollision cutter apparatus for the cutting metal process of the numerically controlled machine tool according to claim 1, wherein: the middle of the interior of the withdrawing block (16) is fixedly connected with a telescopic rod (25), and the outer side of the telescopic rod (25) is movably sleeved with a spring.

Technical Field

The invention relates to the technical field of cutting machining, in particular to an anti-collision knife device used in a metal cutting process of a numerical control machine tool.

Background

Metal cutting is a method for removing materials in a metal forming process, still occupies a large proportion in the current mechanical manufacturing, an operator removes redundant metal on a workpiece to be processed through a machine tool, and the workpiece meets the precision standard of design on the premise of controlling the productivity and the cost.

The existing numerical control machine tool is generally made of hard alloy at a turning tool, when a metal material is cut, the phenomenon that the turning tool is fed too fast due to wrong programming of a programmer is often caused, the turning tool is damaged by collision, the service life of the tool is seriously influenced, and huge loss is brought to enterprises.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides anti-collision tool equipment for a numerical control machine tool in a metal cutting process, which has the advantages of preventing a blade from being damaged by collision by adopting an automatic tool retracting technology in the cutting process, being low in use cost, firmly fixing a metal workpiece, avoiding low machining precision caused by unstable fixation of a metal part in the cutting process and the like, and solves the problems that a common numerical control machine tool cannot prevent the blade from being damaged by collision by adopting the automatic tool retracting technology in the cutting process, is high in use cost, cannot firmly fix the metal workpiece, and is low in machining precision caused by unstable fixation of the metal part in the cutting process.

(II) technical scheme

In order to achieve the purposes of preventing the blade from being damaged by collision by adopting an automatic tool retracting technology in the cutting process, having low use cost, firmly fixing a metal workpiece and avoiding low machining precision caused by unstable fixation of a metal part in the cutting process, the invention provides the following technical scheme:

an anti-collision knife device used in the metal cutting process of a numerical control machine tool comprises a frame, wherein the bottom end inside the frame is fixedly connected with a supporting plate, the upper end of the supporting plate is movably connected with a cutting piece, the upper end inside the frame is fixedly connected with a fixed frame close to the right, a guide block is movably inserted inside the fixed frame, the left end of the guide block is fixedly connected with a push rod, the outer side of the push rod is movably sleeved with a sleeve block, the left end of the push rod is fixedly connected with an ejection block, the inside of the ejection block is movably inserted with a tapping rod close to the lower part, the upper end of the tapping rod is fixedly connected with a pre-tightening spring, a wedge plate is movably inserted inside the pre-tightening spring close to the upper part, a wedge clamping plate is movably sleeved outside the wedge plate, the right end of the wedge clamping plate is fixedly connected with an adjusting spring, the left end of the tapping rod is fixedly connected with a fixed block close to the lower part, the outside of the fixed block is movably sleeved with a bag body, and a compression rod is movably inserted inside the box body close to the upper part,

preferably, the lower end of the guide block is fixedly connected with a pressing plate, the pressing plate is forked, the lower end of the pressing plate is fixedly connected with the cutting piece, and the cutting piece can be fixed by the pressing plate.

Preferably, the wedge-shaped plate upper end sets up to the inclined plane form, and the wedge-shaped plate outside just is located the inside wedge hole that is provided with of wedge cardboard, and the wedge hole can match with the wedge-shaped plate upper end, can drive the wedge cardboard when guaranteeing that the wedge-shaped plate shifts up and move to the left.

Preferably, the box body is movably sleeved on the outer side of the withdrawing block, a square groove is formed in the outer side of the withdrawing block and located inside the box body, and the square groove can be used for storing the withdrawing block.

Preferably, the rotor is movably inserted in the fixed block, a cutter is movably sleeved in the middle of the outer side of the rotor, and the cutter can be used for cutting off the cutting piece.

Preferably, the movable block is sleeved on the outer side of the pressure lever close to the lower movable sleeve, the lower end of the movable block is movably inserted with a ball, and the ball can reduce friction between the movable block and the wedge-shaped clamping plate.

Preferably, withdraw from the inside middle fixedly connected with telescopic link of piece, the spring has been cup jointed in the activity of the telescopic link outside, and the telescopic link can reduce the impact force that the movable block received behind the ball breaks away from the wedge-shaped cardboard.

(III) advantageous effects

Compared with the prior art, the invention provides the anti-collision knife equipment for the metal cutting process of the numerical control machine tool, which has the following beneficial effects:

1. the anticollision cutter device for the metal cutting process of the numerical control machine tool starts a driving device in a rotor by placing a cutting part at the upper end of a supporting plate, the rotor drives a cutter to rotate and pushes a pressure rod downwards, the pressure rod drives a ball to move downwards through a movable block, the ball drives an ejection block to move downwards through a wedge-shaped clamping plate, the ejection block drives an attack rod to move downwards through a sleeve block, the attack rod drives a rotor to move downwards through a fixed block, the rotor drives the cutter to move downwards to the outer side of the cutting part for cutting, when the feeding speed is too high, the cutter drives the fixed block to move upwards through the rotor, the fixed block drives a pre-tightening spring to move upwards through the attack rod, when the attack rod pushes against a wedge-shaped plate, the wedge-shaped plate moves upwards and drives the wedge-shaped clamping plate to move rightwards through a tangential acting force between the wedge hole, and the upper end of the wedge-shaped clamping plate is separated from the ball, at the moment, the withdrawing block moves upwards along the square groove, and the cutter is separated from the cutting piece, so that the effects of preventing the blade from being damaged by collision and reducing the use cost by adopting an automatic cutter withdrawing technology in the cutting process are achieved.

2. This a crashproof sword equipment for digit control machine tool cutting metal process, drive through promoting the depression bar and withdraw from the in-process of piece along square groove downstream, the square groove passes through the push rod and drives the guide block along fixed frame downstream, the guide block drives clamp plate downstream to the up end of cutting member, cooperate through clamp plate and layer board, make the cutting member by automatic chucking before the cutting, thereby reached can be firm fixed metal machined part, avoid the metal part to lead to the effect that machining precision is low at the fixed unstability of cutting in-process.

Drawings

FIG. 1 is a front elevational full sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure of the present invention at A in FIG. 1;

FIG. 3 is an enlarged view of the structure of the present invention at B in FIG. 1;

FIG. 4 is a drawing showing the connection between the tapping rod and the wedge block in accordance with the present invention.

In the figure: 1. a frame; 2. a support plate; 3. a cutter; 4. a fixing frame; 5. a guide block; 6. pressing a plate; 7. a push rod; 8. sleeving blocks; 9. tapping a rod; 10. pre-tightening the spring; 11. a wedge plate; 12. a wedge hole; 13. a box body; 14. a wedge-shaped clamping plate; 15. adjusting the spring; 16. exiting the block; 17. a square groove; 18. a fixed block; 19. a bag body; 20. a rotor; 21. a cutter; 22. a pressure lever; 23. a movable block; 24. a ball bearing; 25. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a crashproof cutter device for a numerical control machine tool in a metal cutting process comprises a frame 1, a supporting plate 2 is fixedly connected to the bottom end inside the frame 1, a cutting part 3 is movably connected to the upper end of the supporting plate 2, a fixing frame 4 is fixedly connected to the upper end inside the frame 1 close to the right, a guide block 5 is movably inserted into the fixing frame 4, a pressing plate 6 is fixedly connected to the lower end of the guide block 5, the pressing plate 6 is forked, the lower end of the pressing plate 6 is fixedly connected with the cutting part 3, the cutting part 3 can be fixed by the pressing plate 6, a push rod 7 is fixedly connected to the left end of the guide block 5, a sleeve block 8 is movably sleeved outside the push rod 7, a withdrawing block 16 is fixedly connected to the left end of the push rod 7, a box body 13 is movably sleeved outside the withdrawing block 16, a square groove 17 is arranged outside the withdrawing block 16 and inside the box body 13, the square groove 17 can be used for storing the withdrawing block 16, a telescopic rod 25 is fixedly connected inside the withdrawing block 16, the outer side of the telescopic rod 25 is movably sleeved with a spring, the telescopic rod 25 can reduce the impact force on the movable block 23 after the ball 24 is separated from the wedge-shaped clamping plate 14, the interior of the withdrawing block 16 is movably inserted and connected with an attack rod 9 by a lower part, the upper end of the attack rod 9 is fixedly connected with a pre-tightening spring 10, the interior of the pre-tightening spring 10 is movably inserted and connected with a wedge-shaped plate 11 by an upper part, the upper end of the wedge-shaped plate 11 is arranged in an inclined plane shape, the outer side of the wedge-shaped plate 11 is provided with a wedge hole 12 inside the wedge-shaped clamping plate 14, the wedge hole 12 can be matched with the upper end of the wedge-shaped plate 11 to ensure that the wedge-shaped clamping plate 14 can be driven to move left when the wedge-shaped plate 11 moves up, the outer side of the wedge-shaped plate 11 is movably sleeved and connected with the wedge-shaped clamping plate 14 by an upper part, the right end of the wedge-shaped clamping plate 14 is fixedly connected with an adjusting spring 15, the left end of the attack rod 9 is fixedly connected with a fixed block 18 by a lower part, the inner part of the fixed block 18 is movably inserted and connected with a rotor 20, the middle of the outer side of the rotor 20 is movably sleeved with a cutter 21, the cutter can be used for cutting part 3, the bag body 19 is movably sleeved on the outer side of the fixed block 18, the pressure rod 22 is movably inserted in the box body 13 close to the upper part, the movable block 23 is movably sleeved on the outer side of the pressure rod 22 close to the lower part, the ball 24 is movably inserted at the lower end of the movable block 23, and the ball 24 can reduce the friction between the movable block 23 and the wedge-shaped clamping plate 14.

The working principle is as follows: when the cutting tool is used, the cutting part 3 can be placed at the upper end of the supporting plate 2, a driving device in the rotor 20 is started, the rotor 20 drives the cutter 21 to rotate, the pressing rod 22 is pushed downwards, the pressing rod 22 drives the balls 24 to move downwards through the movable block 23, the balls 24 drive the withdrawing block 16 to move downwards through the wedge-shaped clamping plate 14, the withdrawing block 16 drives the tapping rod 9 to move downwards through the sleeve block 8, the tapping rod 9 drives the rotor 20 to move downwards through the fixed block 18, the rotor 20 drives the cutter 21 to move downwards to the outer side of the cutting part 3 for cutting, when the feeding speed is too high and the cutter 21 is subjected to overlarge stress, the cutter 21 drives the fixed block 18 to move upwards through the rotor 20, the fixed block 18 drives the pre-tightening spring 10 to move upwards through the tapping rod 9, when the tapping rod 9 pushes against the wedge-shaped plate 11, the wedge-shaped plate 11 moves upwards and drives the wedge-shaped clamping plate 14 to move rightly through the tangential acting force between the wedge hole 12, at this moment, the upper end of the wedge-shaped clamping plate 14 is separated from the ball 24, the withdrawing block 16 moves upwards along the square groove 17 at the moment, the cutter 21 is separated from the cutting part 3, thereby achieving the effect of preventing the blade from being damaged by collision by adopting an automatic tool retracting technology in the cutting process and having low use cost, when the pushing pressure rod 22 drives the withdrawing block 16 to move downwards along the square groove 17, the square groove 17 drives the guide block 5 to move downwards along the fixed frame 4 through the push rod 7, the guide block 5 drives the pressure plate 6 to move downwards to the upper end surface of the cutting part 3, the pressure plate 6 is matched with the supporting plate 2, so that the cutting part 3 is automatically clamped before cutting, thereby achieving the effect of firmly fixing a metal workpiece and avoiding the metal part from being fixed and unstable in the cutting process and causing low processing precision.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.